/* .g-contaner > div{
    float: left;
} */
.left{

    float: left;
    width: 200px;
    background: red;

}

.g-main{
    flex: 1;
    box-sizing: border-box;
    
    
}
.g-content{
    margin: 0 200px;
    background: blueviolet;
    color: #fff;;
}
.right{
    float: right;
    background-color: rgb(177, 59, 90);
    width: 200px;

}
